.myheader{
    position: fixed;
    top: 0px;
    width: 100%;
    height: 80px;
    h3{
        text-align: center;
    }
    .top{
        margin: 10px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        input {
                width: 80%;
                height: 36px;
                border-radius: 4px;
                outline: none;
                padding-left: 10px;
                border: none;
                background-color: #ccc;
            }
    }
}